5312081
Question 1
Question
Which of the following is true?
Answer
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Mandibular molars account for about one third of the total root surface area
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The PDL is widest in the elderly because it increases with age
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Most of the nerves of the PDL are myelinated
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Impacted teeth have the lowest average PDL
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PDL width is widest midroot
Question 2
Question
Dental implants have which of the following fibers?
Answer
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Principle fibers
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Alveologingival fibers
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Circular group
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Alveologingival fibers and circular
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all of them
Question 3
Question
Which of the following is false?
Answer
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Cell rests of Malassez express cytokeratins C18 and C19
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PDL has a fibroblast population
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PDL gets remodeled
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There are osteoblasts in the PDL
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None of the above
Question 4
Question
The periodontal ligament is vascularized laterally via fenestrations in the alveolar bone. Apically, the gingival vascular supplies PDL.
Answer
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T/T
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T/F
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F/T
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F/F
Question 5
Question
Which of the following is false?
Answer
-
Conventional flap surgery leads to attachment via hemidesmosomes of the gingival tissue to the exposed root surface.
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Guided tissue regeneration results in formation of cellular cementum.
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Conventional flap surgery results in long junctional epithelium
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Dentin is necessary for periodontal regeneration
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The stem cell population of the PDL is pluripotential
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